David Park Mason, M.D.
NPI 1083678155ActiveIndividual· Thoracic Surgery (Cardiothoracic Vascular Surgery)· Dallas, TX
Thoracic Surgery (Cardiothoracic Vascular Surgery) (M.D.) in Dallas, Texas, trained at Columbia University College of Physicians and Surgeons (class of 1994). 129 Medicare patients in 2024, $69,311 paid; nearly all of their 60 Part D prescriptions were generic (97%). Astrazeneca Pharmaceuticals LP was the largest of 11 companies reporting payments in 2025, $482.39 in all, mostly food and beverage.
Overview
| NPI | 1083678155 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 14, 2006 |
| Last updated in NPPES | Nov 16, 2021 |
| Certified by provider | Nov 16, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Thoracic Surgery (Cardiothoracic Vascular Surgery) Primary | 208G00000X | Q0789 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Thoracic Surgery (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 129 |
|---|---|
| Services billed | 405 across 46 procedure codes |
| Paid by Medicare | $69,311 |
Part D prescriptions in 2024
| Prescriptions (claims) | 60 · 60 30-day fills |
|---|---|
| Patients | 35 |
| Total drug cost | $475.02 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Thoracic Surgery |
| Telehealth | Offers telehealth |
Medical groups
- MedhealthDallas, TX · 450 clinicians
- Gbc Dallas PLLCDallas, TX · 4 clinicians
Hospital affiliations
- Methodist Dallas Medical CenterDallas, TX
- United Regional Health Care SystemWichita Falls, TX
Industry payments (Open Payments)
- 2025$482.39 · 15 payments from 11 companies
- 2024$1,964 · 10 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $107.52 | 1 |
| Medtronic, Inc. | $84.14 | 3 |
| Tela Bio, Inc. | $52.58 | 2 |
| Becton, Dickinson and Company | $49.98 | 1 |
| Stryker Corporation | $45.42 | 1 |
What the 2025 payments were for
- Food and Beverage$449.93 · 14 payments
- Education$32.46 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 63 cardiothoracic surgeons in Dallas · All cardiothoracic surgeons in Texas